I did realize yesterday night and this morning, that the ibVPN Service stops working after a while...I see in the message log the following information:
May 3 08:02:42 clearos ibvpn[20910]: [server] Inactivity timeout (--ping-restart), restarting
May 3 08:02:42 clearos ibvpn[20910]: TCP/UDP: Closing socket
May 3 08:02:42 clearos ibvpn[20910]: SIGUSR1[soft,ping-restart] received, process restarting
May 3 08:02:42 clearos ibvpn[20910]: Restart pause, 2 second(s)
May 3 08:02:44 clearos ibvpn[20910]: NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
May 3 08:02:44 clearos ibvpn[20910]: NOTE: --script-security method='system' is deprecated due to the fact that passed parameters will be subject to shell expansion
May 3 08:02:44 clearos ibvpn[20910]: Re-using SSL/TLS context
May 3 08:02:44 clearos ibvpn[20910]: LZO compression initialized
May 3 08:02:44 clearos ibvpn[20910]: Control Channel MTU parms [ L:1578 D:138 EF:38 EB:0 ET:0 EL:0 ]
May 3 08:02:44 clearos ibvpn[20910]: Socket Buffers: R=[229376->131072] S=[229376->131072]
May 3 08:02:44 clearos ibvpn[20910]: Data Channel MTU parms [ L:1578 D:1450 EF:46 EB:135 ET:32 EL:0 AF:3/1 ]
May 3 08:02:44 clearos ibvpn[20910]: Fragmentation MTU parms [ L:1578 D:1300 EF:45 EB:135 ET:33 EL:0 AF:3/1 ]
May 3 08:02:44 clearos ibvpn[20910]: Local Options hash (VER=V4): '9a22532e'
May 3 08:02:44 clearos ibvpn[20910]: Expected Remote Options hash (VER=V4): 'e2a912d8'
May 3 08:02:44 clearos ibvpn[20910]: UDPv4 link local: [undef]
May 3 08:02:44 clearos ibvpn[20910]: UDPv4 link remote: 23.19.225.146:1194
May 3 08:02:44 clearos ibvpn[20910]: TLS: Initial packet from 23.19.225.146:1194, sid=86a490e7 a609810d
May 3 08:02:44 clearos ibvpn[20910]: ERROR: could not read Auth username from stdin
May 3 08:02:44 clearos ibvpn[20910]: Exiting
May 3 08:02:44 clearos ibvpn[20910]: Closing TUN/TAP interface
May 3 08:02:44 clearos ibvpn[20910]: /sbin/ip addr del dev ibvpn 108.62.211.138/25
May 3 08:02:44 clearos ibvpn[20910]: /etc/clearos/ibvpn.d/route-down.sh ibvpn 1500 1578 108.62.211.138 255.255.255.128 init
It looks like I get after a while an timeout and the ibVPN service is not able to reconnect automatically again.